/// <summary>
/// Generates a square.
/// </summary>
void GenerateSquareVBO()
{
Renderable.ArrayBuilder builder = new Renderable.ArrayBuilder();
builder.Prepare(6, 6);
builder.Tangents = new Vector3[6];
for (uint n = 0; n < 6; n++)
{
builder.Indices[n] = n;
builder.Tangents[n] = new Vector3(1, 0, 0);
builder.Normals[n] = new Vector3(0, 0, 1);
builder.Colors[n] = new Vector4(1, 1, 1, 1);
builder.ZeroBoneInfo(n);
}
builder.Vertices[0] = new Vector3(1, 0, 0);
builder.TexCoords[0] = new Vector3(1, 0, 0);
builder.Vertices[1] = new Vector3(1, 1, 0);
builder.TexCoords[1] = new Vector3(1, 1, 0);
builder.Vertices[2] = new Vector3(0, 1, 0);
builder.TexCoords[2] = new Vector3(0, 1, 0);
builder.Vertices[3] = new Vector3(1, 0, 0);
builder.TexCoords[3] = new Vector3(1, 0, 0);
builder.Vertices[4] = new Vector3(0, 1, 0);
builder.TexCoords[4] = new Vector3(0, 1, 0);
builder.Vertices[5] = new Vector3(0, 0, 0);
builder.TexCoords[5] = new Vector3(0, 0, 0);
Square = builder.Generate();
}
/// <summary>
/// Generates a box.
/// </summary>
void GenerateBoxVBO()
{
Renderable.ArrayBuilder builder = new Renderable.ArrayBuilder();
builder.Prepare(24, 24);
builder.Tangents = new Vector3[24];
// TODO: Optimize?
for (uint n = 0; n < 24; n++)
{
builder.Indices[n] = n;
builder.Tangents[n] = new Vector3(1f, 0f, 0f);
builder.TexCoords[n] = new Vector3(0, 0, 0);
builder.Normals[n] = new Vector3(0, 0, 1); // TODO: Accurate normals somehow? Do lines even have normals?
builder.Colors[n] = new Vector4(1, 1, 1, 1);
builder.ZeroBoneInfo(n);
}
int i = 0;
const int lowValue = -1;
builder.Vertices[i] = new Vector3(lowValue, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(1, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(1, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(1, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(1, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(1, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(1, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(1, 1, 1); i++;
builder.Vertices[i] = new Vector3(1, 1, 1); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, 1); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, 1); i++;
builder.Vertices[i] = new Vector3(lowValue, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(lowValue, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(1, lowValue, lowValue); i++;
builder.Vertices[i] = new Vector3(1, lowValue, 1); i++;
builder.Vertices[i] = new Vector3(1, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(1, 1, 1); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, lowValue); i++;
builder.Vertices[i] = new Vector3(lowValue, 1, 1); i++;
Box = builder.Generate();
}
/// <summary>
/// Generates a line.
/// </summary>
void GenerateLineVBO()
{
Renderable.ArrayBuilder builder = new Renderable.ArrayBuilder();
builder.Prepare(2, 2);
builder.Tangents = new Vector3[2];
for (uint n = 0; n < 2; n++)
{
builder.Indices[n] = n;
builder.Tangents[n] = new Vector3(1f, 0f, 0f);
builder.Normals[n] = new Vector3(0, 0, 1);
builder.Colors[n] = new Vector4(1, 1, 1, 1);
builder.ZeroBoneInfo(n);
}
builder.Vertices[0] = new Vector3(0, 0, 0);
builder.TexCoords[0] = new Vector3(0, 0, 0);
builder.Vertices[1] = new Vector3(1, 0, 0);
builder.TexCoords[1] = new Vector3(1, 0, 0);
Line = builder.Generate();
}